Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
20066933Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 269
P-1
B1 = 1050000
B2 = 92465100
LL
StatusDateUserResidueShift
Verified2004-02-07Andreas UlbrichA74AA6B38477449F12515647
Verified2009-02-10HighPriceRanchA74AA6B38477449F11144102
History
DateUserTypeResult
2025-04-02NStormNF-PM1
B1=1050000, B2=92465100
2021-05-25-Anonymous-NF
no factor from 2^73 to 2^74
2021-05-22-Anonymous-NF
no factor from 2^72 to 2^73
2021-05-22-Anonymous-NF
no factor from 2^71 to 2^72
2020-03-30Gordon SpenceNF
no factor from 2^70 to 2^71
2017-12-24ramgeisNF
no factor from 2^69 to 2^70
2017-11-14VictordeHollanderNF
no factor from 2^68 to 2^69
2017-04-24ramgeisNF
no factor from 2^67 to 2^68
2015-02-04NRNF
no factor from 2^66 to 2^67
2009-02-10HighPriceRanchC-LL
A74AA6B38477449F